Processing chamber configured for uniform gas flow
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C23C-016/00
C23F-001/00
H01L-021/306
H01L-021/02
출원번호
US-0552727
(2006-10-25)
등록번호
US-7422637
(2008-09-09)
발명자
/ 주소
Ku,Vincent
Chen,Ling
Grunes,Howard
Chung,Hua
출원인 / 주소
Applied Materials, Inc.
대리인 / 주소
Patterson & Sheridan, LLP
인용정보
피인용 횟수 :
6인용 특허 :
78
초록▼
An apparatus and method for performing uniform gas flow in a processing chamber is provided. In one embodiment, an apparatus is an edge ring that includes an annular body having an annular seal projecting therefrom is provided. The seal is coupled to a side of the annular body opposite a side adapte
An apparatus and method for performing uniform gas flow in a processing chamber is provided. In one embodiment, an apparatus is an edge ring that includes an annular body having an annular seal projecting therefrom is provided. The seal is coupled to a side of the annular body opposite a side adapted to seat on the substrate support. In another embodiment, a processing system is provided that includes a chamber body, a lid, a substrate support and a plurality of flow control orifices. The lid is disposed on the chamber body and defining an interior volume therewith. The substrate support is disposed in the interior volume and at least partially defines a processing region with the lid. The flow control orifices are disposed between the substrate support and the lid. The flow control orifices are adapted to control flow of gases exiting the processing region.
대표청구항▼
The invention claimed is: 1. An edge ring for a substrate support, comprising: an annular body having an inner diameter and an outer diameter defining a top surface on a first side thereof and a bottom surface on a second side opposing the first side, wherein the bottom surface is configured to con
The invention claimed is: 1. An edge ring for a substrate support, comprising: an annular body having an inner diameter and an outer diameter defining a top surface on a first side thereof and a bottom surface on a second side opposing the first side, wherein the bottom surface is configured to contact the substrate support at the inner diameter; an annular flange extending below the annular body at the outer diameter; and a seal retaining member having a first member extending from and projecting above the top surface of the annular body and a second member extending radially inward from the first member to define a seal receiving pocket. 2. The apparatus of claim 1, further comprising: an annular seal disposed in the seal receiving pocket of the seal retaining member. 3. The apparatus of claim 2, wherein the annular seal further comprises: a first flange coupled to a second flange by an annular center member; and a plurality of radial slots formed at least through the first flange. 4. The apparatus of claim 1, further comprising: a lip extending below the annular body at the inner diameter, the lip adapted to seat on the substrate support. 5. The apparatus of claim 1, wherein the bottom surface includes a base adapted to seat on the substrate support and the top surface further comprises: a cover having an annular seal retained therein. 6. The apparatus of claim 5, wherein the cover further comprises: an annular disk having a first surface and a second surface; and a lip extending from an inner side of the bottom surface to the disk, the lip adapted to maintain the disk and the base in a spaced-apart relation. 7. The apparatus of claim 5, wherein the base further comprises a lip projecting normally away from a bottom surface of the base. 8. The apparatus of claim 1, wherein the top surface further comprises: a plurality of flow control orifices formed therein, wherein at least a portion of the flow control orifices pass below the first member. 9. The apparatus of claim 1, wherein the retaining member is disposed between the inner diameter and the outer diameter. 10. An edge ring for a substrate support, comprising: an annular body having an inner diameter and an outer diameter defining a top surface on a first side thereof and a bottom surface on a second side opposing the first side, wherein the bottom surface is configured to contact the substrate support at the inner diameter; a seal retaining member extending from the top surface of the annular body; and an annular seal disposed in the seal retaining member, the seal retaining member and the seal extending above the top surface of the annular body. 11. The apparatus of claim 10, further comprising: a lip disposed on the inner diameter, the lip adapted to seat on the substrate support. 12. The apparatus of claim 10, wherein the top surface further comprises: a plurality of flow control orifices formed therein, wherein at least a portion of the flow control orifices pass below the seal retaining member. 13. The apparatus of claim 10, wherein the annular seal further comprises: a first flange coupled to a second flange by an annular center member. 14. The apparatus of claim 10, wherein the annular seal further comprises: a first flange coupled to a second flange by an annular center member; and a plurality of radial slots formed at least through the first flange. 15. A processing system, comprising: a chamber body; a lid disposed on the chamber body and defining an interior volume therewith; a substrate support disposed in the interior volume and at least partially defining a processing region with the lid; an edge ring comprising: an annular body having an inner diameter and an outer diameter defining a top surface on a first side thereof and a bottom surface on a second side opposing the first side, wherein the bottom surface is configured to contact the substrate support at the inner diameter; a seal retaining member extending from the top surface of the annular body; and an annular seal disposed in the seal retaining member, the seal retaining member and the seal extending above the top surface of the annular body; wherein a plurality of flow control orifices disposed between the substrate support and the lid, the flow control orifices adapted to control flow of gases exiting the processing region. 16. The processing system of claim 15, wherein the flow control orifices are radially aligned in a polar array. 17. The processing system of claim 15, wherein the flow control orifices are formed in the annular seal. 18. The processing system of claim 15, wherein the flow control orifices are formed in the edge ring. 19. The processing system of claim 15, wherein the flow control orifices are formed in the lid.
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